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Xcode debugger doesn't print objects and shows nil, when they aren't
...ations off, and debugging symbols present. Time to visit bug report.apple.com
– ctpenrose
Feb 5 '14 at 20:08
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Does the join order matter in SQL?
...) OUTER joins, yes, the order matters - and (updated) things are much more complicated.
First, outer joins are not commutative, so a LEFT JOIN b is not the same as b LEFT JOIN a
Outer joins are not associative either, so in your examples which involve both (commutativity and associativity) propert...
Execute stored procedure with an Output parameter?
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I don't have an execute command, the context menu has just a modify.
– Akbari
Jun 8 '15 at 5:25
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How can I rollback a github repository to a specific commit?
My github has 100 commits in it right now. I need to rollback the repository to commit 80, and remove all the subsequent ones.
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How to create a static library with g++?
...Do I need to create the .o and the .a? I would also like to know how can I compile a static library in and use it in other .cpp code. I have header.cpp , header.hpp . I would like to create header.a . Test the header.a in test.cpp . I am using g++ for compiling.
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C# Ignore certificate errors?
... into bad practices. (Sometimes you have no choice) jasig.275507.n4.nabble.com/…
– snowYetis
Jan 19 '16 at 15:54
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Does Java casting introduce overhead? Why?
Is there any overhead when we cast objects of one type to another? Or the compiler just resolves everything and there is no cost at run time?
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Matplotlib scatterplot; colour as a function of a third variable
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What arguments are passed into AsyncTask?
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Progress, the type of the progress units published during the background computation.
Result, the type of the result of the background computation.
Not all types are always used by an asynchronous task. To mark a type as unused, simply use the type Void:
private class MyTask extends AsyncTask&...
Rails 3 migrations: Adding reference column?
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